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out-of-memory - 春季作业执行上下文中的 OutOfMemoryException

问题描述

将大对象放入 JobApplicationContext 时出现以下错误。该对象被转换为 JSON 并保存在 BATCH_JOB_EXECUTION_CONTEXT 中，但不确定为什么我们在处理编写器步骤时内存不足。

java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:3332)
   at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
   at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
   at java.lang.StringBuffer.append(StringBuffer.java:270)
   at java.io.StringWriter.write(StringWriter.java:101)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1238)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1234)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1234)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1234)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.json.JSONArray.write(JSONArray.java:848)
   at org.codehaus.jettison.json.JSONObject.write(JSONObject.java:1236)
   at org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeJSONObject(MappedXMLStreamWriter.java:258)
   at org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeEndDocument(MappedXMLStreamWriter.java:244)
   at com.thoughtworks.xstream.io.xml.StaxWriter.endNode(StaxWriter.java:149)
   at com.thoughtworks.xstream.io.WriterWrapper.endNode(WriterWrapper.java:37)
   at com.thoughtworks.xstream.io.path.PathTrackingWriter.endNode(PathTrackingWriter.java:48)
   at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:83)
   at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37)

标签： out-of-memoryspring-batch

解决方案

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